"Fifth Edition", Thrull (3)
At the beginning of your upkeep, sacrifice Breeding Pit unless you pay .
At the beginning of your end step, create a 0/1 black Thrull creature token.
Whenever Mindstab Thrull attacks and isn't blocked, you may sacrifice it. If you do, defending player discards three cards.
Enchant creature
Enchanted creature gets +1/+1.
Sacrifice Thrull Retainer: Regenerate enchanted creature.
Gatherer works better in the Companion app!